content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.disposables;
  
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  public class SequentialAutoDisposableTest {
  
      @Test
      public void normal() {
          SequentialAutoDisposable sd = new SequentialAutoDisposable();
  
          BooleanAutoDisposable b1 = new BooleanAutoDisposable();
  
          assertTrue(sd.replace(b1));
  
          assertSame(b1, sd.get());
  
          assertSame(b1, sd.getPlain());
  
          assertFalse(b1.isClosed());
  
          BooleanAutoDisposable b2 = new BooleanAutoDisposable();
  
          assertTrue(sd.update(b2));
  
          assertTrue(b1.isClosed());
  
          assertFalse(b2.isClosed());
  
          assertFalse(sd.isClosed());
  
          sd.close();
  
          assertTrue(sd.isClosed());
  
          assertTrue(b2.isClosed());
  
          BooleanAutoDisposable b3 = new BooleanAutoDisposable();
  
          assertFalse(sd.replace(b3));
  
          assertTrue(b3.isClosed());
  
          BooleanAutoDisposable b4 = new BooleanAutoDisposable();
  
          assertFalse(sd.update(b4));
  
          assertTrue(b4.isClosed());
      }
  }
  